15697986875

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{1171}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 19935930960

約数和(自身を除く): 4237944085

約数列:

[1, 5, 25, 89, 125, 241, 445, 625, 1171, 1205, 2225, 5855, 6025, 11125, 21449, 29275, 30125, 55625, 104219, 107245, 146375, 150625, 282211, 521095, 536225, 731875, 1411055, 2605475, 2681125, 7055275, 13027375, 13405625, 25116779, 35276375, 65136875, 125583895, 176381875, 627919475, 3139597375, 15697986875]

約数ペア:

[(1, 15697986875), (5, 3139597375), (25, 627919475), (89, 176381875), (125, 125583895), (241, 65136875), (445, 35276375), (625, 25116779), (1171, 13405625), (1205, 13027375), (2225, 7055275), (5855, 2681125), (6025, 2605475), (11125, 1411055), (21449, 731875), (29275, 536225), (30125, 521095), (55625, 282211), (104219, 150625), (107245, 146375)]